211122020110220 has 48 divisors (see below), whose sum is σ = 444390114823200. Its totient is φ = 84252001574400.

The previous prime is 211122020110151. The next prime is 211122020110241. The reversal of 211122020110220 is 22011020221112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23981495 + ... + 31580945.

It is an arithmetic number, because the mean of its divisors is an integer number (9258127392150).

Almost surely, 2^{211122020110220} is an apocalyptic number.

211122020110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211122020110220 is an abundant number, since it is smaller than the sum of its proper divisors (233268094712980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211122020110220 is a wasteful number, since it uses less digits than its factorization.

211122020110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7602698 (or 7602696 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211122020110220 its reverse (22011020221112), we get a palindrome (233133040331332).

The spelling of 211122020110220 in words is "two hundred eleven trillion, one hundred twenty-two billion, twenty million, one hundred ten thousand, two hundred twenty".